Search results
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Results of scientific observation in Antarctic krill fishery in 2010/11: I. state of observer deployment and data collection
protocol and data collection in krill fisheries in 2010/11. All the 12 krill fishing vessels that operated ... in 2010/11 deployed scientific observers in accordance with the agreed systematic coverage. The ... observer allocation covered all the months and Subareas in which fishing operations were conducted. However ... current state of data collection, mere extension of the observer coverage may not result in the ...
Meeting Document : WG-EMM-12/65 : Author(s): M. Kiyota and T. Okuda (Japan)
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Possibility of predicting sea-ice concentration (SIC) in research block (RB) 48.6-5 (Southern part of Subarea 48.6) using sea surface temperature (SST) in RB 48.6-2 (Northern part of 48.6)
48.6-5 corresponded well with the dynamics of monthly sea surface temperature (SST) anomaly in RB ... 48.6-5. However, in the prediction of SIC in RB 48.6-5 using the monthly SST anomaly ... be used to predict the SIC in 48.6- 5. There is not a strong correlation of SST between ... 48.6-2 and 48.6-5. However there are similar SST positive spikes both in 48.6-2 and 48.6-5 and it is ...
Meeting Document : WG-FSA-2019/49 : Author(s): T. Namba, R. Sarralde, S. Somhlaba and J. Pompert
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Results from the groundfish survey conducted in CCAMLR Subarea 48.3 in January/February 2011
dominated at Shag Rocks, however 1+ and 2+ sized fish were present in larger proportions at South Georgia. A ... tonnes. Euphausiidae was the dominant prey item in the mackerel icefish diet with increased dietary ... bottom and very few acoustic marks were observed in the water column. Themisto sp. was the only other ... prey that made a substantial contribution to the diet, occurring in 39.47% of stomachs. Catches of ...
Meeting Document : WG-FSA-11/29 : Author(s): J. Brown, S. Gregory, K. Brigden, R. Benedet, O. Hogg, P. Brewin and L. Featherstone (United Kingdom)
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Stock assessment and proposed TAC for Antarctic toothfish (TOA) in the Subarea 88.2 H in the season 2014–2015
Abstract: Stock assessment of the Antarctic toothfish in the Subarea 88.2 H using Peterson method ... is presented in this paper. Calculated stock value of the Antarctic toothfish in the Subarea 88.2 H ... is 9307 t with 95% confidence interval ranging from 7502 t to 11967 t. In 2014-2015 values of ... for Antarctic toothfish (TOA) in the Subarea 88.2 H in the season 2014–2015 Approval: Approved ...
Meeting Document : WG-SAM-14/08 : Author(s): S.M. Goncharov and A.F. Petrov (Russia)
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FIRST EXPERIMENTAL SETTINGS OF DEEPWATER VERTICAL LONGLINES IN THE ANTARCTIC TOOTHFISH FISHERY DISSOSTICHUS MAWSONI NORMAN, 1937 (PERCIFORMES, NOTOTHENIIDAE) IN THE AMUNDSEN SEA
Abstract: For the first time in the history of deepwater longline fishing on Antarctic toothfish ... Russian longliner Yantar in March, 2008 in the Amundsen Sea (subarea 88.2,D of the Pacific sector). The ... resided in bathypelagial as well as near the bottom. Author(s): N.V. Kokorin (Russia) and V.V. Serbin ... (Ukraine) Title: FIRST EXPERIMENTAL SETTINGS OF DEEPWATER VERTICAL LONGLINES IN THE ANTARCTIC TOOTHFISH ...
Meeting Document : WG-FSA-09/08 : Author(s): N.V. Kokorin (Russia) and V.V. Serbin (Ukraine)
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Re-analysis of CPUE in both species of toothfish in 48.6 area
Abstract: The present report re-analyses data regarding CPUE for both species of toothfish in ... northern area of 48.6 (SSRU 48.6A, 48.6G). This report is a re-analysis of the CPUE time series proposed in ... previous work (SAM 13/29) which includes all those comments and suggestions made in the last SAM meeting ... Patagonian toothfish presented a high proportion with sets in which both species are present, and thus, an ...
Meeting Document : WG-FSA-13/63 : Author(s): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)
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Assessment of yield and status of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean: implications for managing by-catch in CCAMLR fisheries
data were taken from a trawl survey conducted at Macquarie Island in 1999. Where parameters were not ... elsewhere in the world. The trawl survey data was used to calculate estimates of biomass and density for the ... catch rates of M. carinatus in longline fisheries targeting Dissostichus eleginoides. Applying the ... critical y to the mean density observed in the survey results gives a catch rate of 5.81 kg/km2 which ...
Meeting Document : WG-FSA-99/69 : Author(s): E.M. van Wijk, A.J. Constable, R. Williams and T. Lamb (Australia)
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Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the Russian vessel Maxim Starostin
Abstract: Results of Russian krill fishery in the area 48.2 in the season of 2009 (March ... – beginning of June) on the cruise data of trawler “ Maxim Starostin ” are discussed in the paper. The vessel ... hydrometeorological and ice conditions are given in the paper. Author(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M ... . Kasatkina (Russia) Title: Results of krill fishery in Subarea 48.2 in the 2009 season based on data of the ...
Meeting Document : WG-EMM-10/08 : Author(s): S.Yu. Gulyugin, V.E. Polonskiy and S.M. Kasatkina (Russia)
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Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988
the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ... length structure was revealed in the survey 1988. It is assumed that the first grouping is transported ... impact of the secondary frontal zone dynamic conditions. Hydrometeorological conditions in summer 1988 ...
Meeting Document : WG-EMM-04/27 : Author(s): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)
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VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES
‘stochastic gradient boosting’). Depth was the single most important environmental predictor of variation in ... moderately high richness between 400 and 1100 m. Richness was higher both in waters with high surface ... concentrations of chlorophyll a and in zones of mixing of water bodies of contrasting origins. Local variation in ... temperature was also important, with lower richness occurring in waters that were cooler than expected given ...
Meeting Document : WS-VME-09/P04 : Author(s): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.